supply of ipbx telephone exchange unit in common zone (600 lines) at ttps site with redundancy and intercommunication with camp i and ii intercom telephone exchanges , supply of ipbx telephone exchange unit in common zone (600 lines) at ttps site with redundancy and intercommunication with camp i & ii intercom telephone exchanges. eternity lenx27sdc (hardware platform for unified communication server dc power supply) , eternity me card co8+slt24 (8co and 24 slt extension card) , eternity le card slt48 (48 slt card) , sarvam exp4 ent (4 slot expansion license for menx and lenx) , nx dbm vocoder64 , sarvam vocoder chnl16 (4 vocoder channel license) , eternity menx – lenx card cpu (cpu card for menx and lenx) , eternity le card ps48 vdc (48 v dc power card for le cabinet) , sarvam redundancy ent , psuni 48 v dc, ac-dc ps 1500w , power beam wireless unit , numeric onfiniti 3 kva fm 72v dc ups with 12v/100ah smf batteries (6 nos) , desk top computer , inkjet printer with scanner